| Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776) |
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| 06/15/1989 | WO1989005562A1 Illumination control system |
| 06/15/1989 | WO1989005421A1 Stage light system |
| 06/14/1989 | CN2039118U Electronic flash garment |
| 06/13/1989 | US4839562 Electrical devices |
| 06/07/1989 | EP0319440A1 Unit for the protection, signalisation and localisation of defects in the operation of lighting units in a lighting network divided into zones |
| 06/06/1989 | US4837665 Modular stage light system |
| 06/01/1989 | WO1989005086A1 Programmable control system |
| 05/31/1989 | CN2038697U Music-sensitive lamp device capable of producing two colour flash light |
| 05/24/1989 | CN2038189U Stage light colour-changer |
| 05/23/1989 | US4833368 Outdoor lighting controller including wiper element for light sensor |
| 05/18/1989 | WO1989004578A1 Network and intelligent cell for providing sensing, bidirectional communications and control |
| 05/18/1989 | WO1989004517A1 Protocol for network having a plurality of intelligent cells |
| 05/17/1989 | CN2037913U Photoelectric lighting-system controller |
| 05/16/1989 | US4831564 Apparatus for estimating and displaying remainder of lifetime of xenon lamps |
| 05/10/1989 | CN2037518U Illumination automatic controller |
| 05/05/1989 | WO1989004110A1 Circuit arrangement for controlling the brightness of a lamp |
| 05/02/1989 | US4827195 Motor control system for directing multiple devices |
| 04/27/1989 | DE3735217A1 Electric decorative candle |
| 04/25/1989 | US4825096 Remote control apparatus for tripping off switches |
| 04/25/1989 | CA1253268A1 Point of purchase flat panel electroluminescent display |
| 04/25/1989 | CA1253199A1 Remote control of dimmable electronic gas discharge lamp ballasts |
| 04/20/1989 | DE3811516A1 Method and circuit arrangement for determining the outage of at least one of a minimum of two monitored lamps |
| 04/19/1989 | EP0311683A1 Instantaneous failure compensation circuit |
| 04/19/1989 | CN2036341U Electronic luminous decoration |
| 04/18/1989 | US4823069 Light dimmer for distributed use employing inductorless controlled transition phase control power stage |
| 04/18/1989 | US4823051 Infrared actuated control switch assembly |
| 04/06/1989 | WO1989003133A1 Monitoring device |
| 03/29/1989 | EP0309407A1 Monitoring device |
| 03/28/1989 | US4816738 Tap changing power regulator for airport lighting |
| 03/08/1989 | CN2033966U Automatic door-controlled lamp with tempotary light |
| 03/07/1989 | US4810936 Failing lamp monitoring and deactivating circuit |
| 03/07/1989 | CA1250972A1 Emergency exit sign |
| 02/28/1989 | US4808975 Arrangement for checking and indicating the malfunction of a lamp in monitoring and switching systems |
| 02/22/1989 | EP0304375A1 Control device for lighting rooms |
| 02/22/1989 | EP0304363A1 Power regulator, in particular for airport lighting |
| 02/22/1989 | EP0303700A1 Optical disk |
| 02/07/1989 | US4803418 In-line electrical switch for AC power supply |
| 02/07/1989 | US4803380 Cover and support plate arrangement for wall mounted devices |
| 02/01/1989 | EP0301528A1 Monitoring and warning system for series fed runway visual aids |
| 01/26/1989 | EP0291526A4 Programmable multicircuit wall-mounted controller. |
| 01/11/1989 | EP0298934A1 Lighting apparatus |
| 01/11/1989 | CN2030788U Non-contact flash lamp |
| 01/10/1989 | US4797795 Control system for variable parameter lighting fixtures |
| 01/10/1989 | US4797568 Electronic switching system for controlling indoor and outdoor lights |
| 01/10/1989 | CA1248460A1 Driving arrangement for a varying colour light emitting element |
| 01/04/1989 | EP0297692A1 Photocell temperature switch for high intensity discharge lamp fixture |
| 01/04/1989 | CN1030170A Photocell temp. switch for high intensity discharge lamp fixture |
| 01/03/1989 | US4796093 Method and system of driving light source |
| 01/03/1989 | CA1248170A1 System for load output level control |
| 12/22/1988 | DE3719384A1 Luminaire system for light sources which can be freely adjusted and controlled |
| 12/21/1988 | EP0295933A2 Light level detector |
| 12/20/1988 | US4792731 Multi-room controlled for individual light controls |
| 12/20/1988 | US4792701 For automatically reducing the output voltage of a power supply |
| 12/15/1988 | WO1988010020A1 Electrical control apparatus |
| 12/13/1988 | US4791290 Photoelectric control unit with cooling chamber |
| 12/08/1988 | DE3716251A1 Lamp monitoring device for lights (luminaires), in particular motor vehicle lights |
| 12/06/1988 | US4789810 Photocell temperature switch for high intensity discharge lamp fixture |
| 11/23/1988 | EP0291526A1 Programmable multicircuit wall-mounted controller. |
| 11/17/1988 | WO1988007806A3 Instantaneous failure compensation circuit |
| 11/16/1988 | CN87214721U Energy-saving device for low-voltage illumination |
| 11/15/1988 | US4785390 Instantaneous failure compensation circuit |
| 11/09/1988 | CN88203199U Power-saving safety switch |
| 10/27/1988 | DE3712221A1 Electronic switching device |
| 10/26/1988 | EP0288223A2 Lamp-lighting device |
| 10/26/1988 | CN87201720U Multiplex semiconductor time relay |
| 10/25/1988 | US4780621 Ornamental lighting system |
| 10/25/1988 | CA1243728A1 Lighting scene control panel and control circuit |
| 10/25/1988 | CA1243727A1 Light string ornament circuitry |
| 10/20/1988 | WO1988008241A1 Apparatus and method for forming segmented luminosity in gas discharge tubes |
| 10/20/1988 | DE3711508A1 Stair lighting system allowing on=off operation at any switch - provides continuous lighting by depressing any switch for three seconds |
| 10/19/1988 | CN88101619A Voluntary flare light circuit for ornaments |
| 10/11/1988 | US4777384 Source voltage triggered timer |
| 10/06/1988 | WO1988007806A2 Instantaneous failure compensation circuit |
| 10/05/1988 | EP0285427A2 Switching apparatus |
| 09/28/1988 | CN87215802U Simple silicon control light-adjusting unit for stage |
| 09/20/1988 | US4772825 Panel for controlling lighting scene |
| 09/20/1988 | US4772806 In an electrical circuit for an airport lighting system |
| 09/20/1988 | US4772805 Lamp illumination adjusting apparatus |
| 09/14/1988 | CN87216780U Light-operated switch |
| 09/14/1988 | CN87107104A Photoelectric controller of street lamp with variable illuminance |
| 09/07/1988 | CN87213334U Automatic ultrared electric energy-saving controller with multi-contactor |
| 09/06/1988 | US4769579 Flicker-control device with polarized lamp |
| 09/01/1988 | DE3705681A1 Circuit arrangement for monitoring external lamps for sabotage and operation |
| 08/30/1988 | US4768020 Hot body intrusion activated light control unit with daylight photocell deactivation override |
| 08/25/1988 | WO1988006338A1 Optical disk |
| 08/18/1988 | DE3703830A1 Circuit arrangement for controlling and monitoring the lamps of a double obstruction beacon |
| 08/17/1988 | EP0278920A2 A remote control apparatus for tripping off switches |
| 08/17/1988 | EP0278468A2 System for lighting fluorescent lamps |
| 08/10/1988 | CN87215433U Delay-action switch for lighting lamp |
| 08/10/1988 | CN87214229U Timing electric-economizing lamp with electronic luminescence |
| 08/02/1988 | CA1240024A1 Color light signal using light emitting diodes |
| 07/27/1988 | CN87204688U Chargeable flashlight |
| 07/26/1988 | CA1239662A1 Microcomputer-controlled light switch |
| 07/13/1988 | CN87211553U Computerized control device for street lighting |
| 07/05/1988 | US4755804 System for feeding and controlling low intensity obstruction lights |
| 07/05/1988 | US4755724 Method for periodic triggering of several radiation-emitting elements |
| 07/05/1988 | US4755691 Portable, modular, small appliance control system |
| 07/05/1988 | CA1238944A1 Neon sign control device |
| 06/30/1988 | WO1988004875A1 Light dimmer for distributed use employing inductorless controlled transition phase control power stage |
| 06/28/1988 | US4754416 Universal synchronous marine navigation light system |